GJ.19, 5c. brick red, 1st or 2nd printing, worn impression, with mute "square of parallel lines" cancel of Corrientes (+150%) + pen cancel, with tiny tear in the top border, excellent appearance (Image)

GJ.19b, 5c. red-rose, 1st or 2nd printing, clear impression, 2 stamps (one with partial double impression variety) on a folded cover to Salta, with biconcave ellipse cancel of CORREO NACIONAL DEL ROSARIO in blue, VF quality (Image)

GJ.20, 5c. coffee, 3rd printing, semi-clear impression, used, VF quality (Image)

GJ.20, 5c. orangish dun-red, 3rd printing, almost clear impression, with varieties: horizontal line watermark, almost mulatto and dirty plate (tinted), used, very nice (Image)

GJ.20, 5c. carminish dun-red, 3rd printing, worn impression, used, light crease, very good front (Image)

GJ.20, 5c. dun-red, 3rd printing, clear impression, 2 example on an entire letter sent to Montevideo on 6/SE/1865, with 9x10 dotted cancel along datestamp of Santa Fe, VF quality (Image)

GJ.20j, 5c. orangish dun-red, 3rd printing, mulatto variety, with cancel of Córdoba, VF (Image)

GJ.21, 10c. green, clear impression, with FRANCA cancel of Goya (+50%), with variety: "Rivadavia with gray hair", VF (Image)

GJ.21, 10c. green, very clear impression, cancelled "ADMON DE CORREOS DEL RIO CUARTO" (+300%), VF quality (Image)

GJ.23, 10c. green, worn impression, unused, without gum, VF (Image)

GJ.23, 10c. green, inky impression, dull impression, used, VF (Image)

GJ.23, 10c. green, worn impression, with fan cancel of TUCUMAN with FRANCA (+75%), very nice (Image)

GJ.23, 10c. green, worn impression, with double circle cancel of ESTAFETA AMBULANTE DEL F.C.O. with a number in black (+200%), VF quality (Image)

GJ.23, 10c. bright yellow-green, worn impression, with double ogive cancel of SAN NICOLÁS (+300%), very attractive example in rare color and great beauty! (Image)

GJ.23, 10c. green, very worn impression, on an entire letter sent to Buenos Aires on 8/JA/1868, with rococo cancel of TUCUMÁN in black (+75%), VF quality (Image)

GJ.24, 15c. blue, semi-clear impression, CERTIFICADO cancel of Santa Fe (+300%), with thin on back, very nice front, signed by Solari (Image)

GJ.24, 15c. blue, worn impression, on fragment with datestamp of Concepción del Uruguay in BLACK, VF quality, rare!! (Image)

GJ.24, 15c. blue, worn impression, with CERTIFICADA cancel of Paso de los Libres, VF quality (Image)

GJ.24, 15c. blue, worn impression, with fan TUCUMAN cancel with FRANCA (+75%), VF quality (Image)

GJ.24, 15c. blue, worn impression, used, fantastic quality (Image)

GJ.24, 15c. blue, worn impression, with dotted cancel, VF (Image)

GJ.24, 15c. blue, semi-clear impression, used, with a very small thin on back, very nice front (Image)

GJ.25, 5c. rose, 4th printing, rare VARIABLE IMPRESSION: completely clear at left and worn to the right, with vertical line watermark variety, on fragment with Buenos Aires datestamp, absolutely superb! (Image)

GJ.25, 5c. dark rose, 4th printing, worn impression, horizontal line watermark var., with circular ESTAFETA AMBULANTE DEL F.C.S. cancel in blue, VF quality (Image)

GJ.25, 5c. carmine, 4th printing, dull impression, on a folded cover sent to Buenos Aires on 28/SE/1866, with FRANCA cancel of Goya, VF quality (Image)